diff options
Diffstat (limited to 'debian/missing-sources/leaflet.js/map/handler')
7 files changed, 978 insertions, 0 deletions
diff --git a/debian/missing-sources/leaflet.js/map/handler/Map.BoxZoom.js b/debian/missing-sources/leaflet.js/map/handler/Map.BoxZoom.js new file mode 100644 index 0000000..297a20a --- /dev/null +++ b/debian/missing-sources/leaflet.js/map/handler/Map.BoxZoom.js @@ -0,0 +1,150 @@ +import {Map} from '../Map'; +import {Handler} from '../../core/Handler'; +import * as Util from '../../core/Util'; +import * as DomUtil from '../../dom/DomUtil'; +import * as DomEvent from '../../dom/DomEvent'; +import {LatLngBounds} from '../../geo/LatLngBounds'; +import {Bounds} from '../../geometry/Bounds'; + +/* + * L.Handler.BoxZoom is used to add shift-drag zoom interaction to the map + * (zoom to a selected bounding box), enabled by default. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @option boxZoom: Boolean = true + // Whether the map can be zoomed to a rectangular area specified by + // dragging the mouse while pressing the shift key. + boxZoom: true +}); + +export var BoxZoom = Handler.extend({ + initialize: function (map) { + this._map = map; + this._container = map._container; + this._pane = map._panes.overlayPane; + this._resetStateTimeout = 0; + map.on('unload', this._destroy, this); + }, + + addHooks: function () { + DomEvent.on(this._container, 'mousedown', this._onMouseDown, this); + }, + + removeHooks: function () { + DomEvent.off(this._container, 'mousedown', this._onMouseDown, this); + }, + + moved: function () { + return this._moved; + }, + + _destroy: function () { + DomUtil.remove(this._pane); + delete this._pane; + }, + + _resetState: function () { + this._resetStateTimeout = 0; + this._moved = false; + }, + + _clearDeferredResetState: function () { + if (this._resetStateTimeout !== 0) { + clearTimeout(this._resetStateTimeout); + this._resetStateTimeout = 0; + } + }, + + _onMouseDown: function (e) { + if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; } + + // Clear the deferred resetState if it hasn't executed yet, otherwise it + // will interrupt the interaction and orphan a box element in the container. + this._clearDeferredResetState(); + this._resetState(); + + DomUtil.disableTextSelection(); + DomUtil.disableImageDrag(); + + this._startPoint = this._map.mouseEventToContainerPoint(e); + + DomEvent.on(document, { + contextmenu: DomEvent.stop, + mousemove: this._onMouseMove, + mouseup: this._onMouseUp, + keydown: this._onKeyDown + }, this); + }, + + _onMouseMove: function (e) { + if (!this._moved) { + this._moved = true; + + this._box = DomUtil.create('div', 'leaflet-zoom-box', this._container); + DomUtil.addClass(this._container, 'leaflet-crosshair'); + + this._map.fire('boxzoomstart'); + } + + this._point = this._map.mouseEventToContainerPoint(e); + + var bounds = new Bounds(this._point, this._startPoint), + size = bounds.getSize(); + + DomUtil.setPosition(this._box, bounds.min); + + this._box.style.width = size.x + 'px'; + this._box.style.height = size.y + 'px'; + }, + + _finish: function () { + if (this._moved) { + DomUtil.remove(this._box); + DomUtil.removeClass(this._container, 'leaflet-crosshair'); + } + + DomUtil.enableTextSelection(); + DomUtil.enableImageDrag(); + + DomEvent.off(document, { + contextmenu: DomEvent.stop, + mousemove: this._onMouseMove, + mouseup: this._onMouseUp, + keydown: this._onKeyDown + }, this); + }, + + _onMouseUp: function (e) { + if ((e.which !== 1) && (e.button !== 1)) { return; } + + this._finish(); + + if (!this._moved) { return; } + // Postpone to next JS tick so internal click event handling + // still see it as "moved". + this._clearDeferredResetState(); + this._resetStateTimeout = setTimeout(Util.bind(this._resetState, this), 0); + + var bounds = new LatLngBounds( + this._map.containerPointToLatLng(this._startPoint), + this._map.containerPointToLatLng(this._point)); + + this._map + .fitBounds(bounds) + .fire('boxzoomend', {boxZoomBounds: bounds}); + }, + + _onKeyDown: function (e) { + if (e.keyCode === 27) { + this._finish(); + } + } +}); + +// @section Handlers +// @property boxZoom: Handler +// Box (shift-drag with mouse) zoom handler. +Map.addInitHook('addHandler', 'boxZoom', BoxZoom); diff --git a/debian/missing-sources/leaflet.js/map/handler/Map.DoubleClickZoom.js b/debian/missing-sources/leaflet.js/map/handler/Map.DoubleClickZoom.js new file mode 100644 index 0000000..c105e8e --- /dev/null +++ b/debian/missing-sources/leaflet.js/map/handler/Map.DoubleClickZoom.js @@ -0,0 +1,55 @@ +import {Map} from '../Map'; +import {Handler} from '../../core/Handler'; + +/* + * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default. + */ + +// @namespace Map +// @section Interaction Options + +Map.mergeOptions({ + // @option doubleClickZoom: Boolean|String = true + // Whether the map can be zoomed in by double clicking on it and + // zoomed out by double clicking while holding shift. If passed + // `'center'`, double-click zoom will zoom to the center of the + // view regardless of where the mouse was. + doubleClickZoom: true +}); + +export var DoubleClickZoom = Handler.extend({ + addHooks: function () { + this._map.on('dblclick', this._onDoubleClick, this); + }, + + removeHooks: function () { + this._map.off('dblclick', this._onDoubleClick, this); + }, + + _onDoubleClick: function (e) { + var map = this._map, + oldZoom = map.getZoom(), + delta = map.options.zoomDelta, + zoom = e.originalEvent.shiftKey ? oldZoom - delta : oldZoom + delta; + + if (map.options.doubleClickZoom === 'center') { + map.setZoom(zoom); + } else { + map.setZoomAround(e.containerPoint, zoom); + } + } +}); + +// @section Handlers +// +// Map properties include interaction handlers that allow you to control +// interaction behavior in runtime, enabling or disabling certain features such +// as dragging or touch zoom (see `Handler` methods). For example: +// +// ```js +// map.doubleClickZoom.disable(); +// ``` +// +// @property doubleClickZoom: Handler +// Double click zoom handler. +Map.addInitHook('addHandler', 'doubleClickZoom', DoubleClickZoom); diff --git a/debian/missing-sources/leaflet.js/map/handler/Map.Drag.js b/debian/missing-sources/leaflet.js/map/handler/Map.Drag.js new file mode 100644 index 0000000..69597bd --- /dev/null +++ b/debian/missing-sources/leaflet.js/map/handler/Map.Drag.js @@ -0,0 +1,236 @@ +import {Map} from '../Map'; +import * as Browser from '../../core/Browser'; +import {Handler} from '../../core/Handler'; +import {Draggable} from '../../dom/Draggable'; +import * as Util from '../../core/Util'; +import * as DomUtil from '../../dom/DomUtil'; +import {toLatLngBounds as latLngBounds} from '../../geo/LatLngBounds'; +import {toBounds} from '../../geometry/Bounds'; + +/* + * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @option dragging: Boolean = true + // Whether the map be draggable with mouse/touch or not. + dragging: true, + + // @section Panning Inertia Options + // @option inertia: Boolean = * + // If enabled, panning of the map will have an inertia effect where + // the map builds momentum while dragging and continues moving in + // the same direction for some time. Feels especially nice on touch + // devices. Enabled by default unless running on old Android devices. + inertia: !Browser.android23, + + // @option inertiaDeceleration: Number = 3000 + // The rate with which the inertial movement slows down, in pixels/secondĀ². + inertiaDeceleration: 3400, // px/s^2 + + // @option inertiaMaxSpeed: Number = Infinity + // Max speed of the inertial movement, in pixels/second. + inertiaMaxSpeed: Infinity, // px/s + + // @option easeLinearity: Number = 0.2 + easeLinearity: 0.2, + + // TODO refactor, move to CRS + // @option worldCopyJump: Boolean = false + // With this option enabled, the map tracks when you pan to another "copy" + // of the world and seamlessly jumps to the original one so that all overlays + // like markers and vector layers are still visible. + worldCopyJump: false, + + // @option maxBoundsViscosity: Number = 0.0 + // If `maxBounds` is set, this option will control how solid the bounds + // are when dragging the map around. The default value of `0.0` allows the + // user to drag outside the bounds at normal speed, higher values will + // slow down map dragging outside bounds, and `1.0` makes the bounds fully + // solid, preventing the user from dragging outside the bounds. + maxBoundsViscosity: 0.0 +}); + +export var Drag = Handler.extend({ + addHooks: function () { + if (!this._draggable) { + var map = this._map; + + this._draggable = new Draggable(map._mapPane, map._container); + + this._draggable.on({ + dragstart: this._onDragStart, + drag: this._onDrag, + dragend: this._onDragEnd + }, this); + + this._draggable.on('predrag', this._onPreDragLimit, this); + if (map.options.worldCopyJump) { + this._draggable.on('predrag', this._onPreDragWrap, this); + map.on('zoomend', this._onZoomEnd, this); + + map.whenReady(this._onZoomEnd, this); + } + } + DomUtil.addClass(this._map._container, 'leaflet-grab leaflet-touch-drag'); + this._draggable.enable(); + this._positions = []; + this._times = []; + }, + + removeHooks: function () { + DomUtil.removeClass(this._map._container, 'leaflet-grab'); + DomUtil.removeClass(this._map._container, 'leaflet-touch-drag'); + this._draggable.disable(); + }, + + moved: function () { + return this._draggable && this._draggable._moved; + }, + + moving: function () { + return this._draggable && this._draggable._moving; + }, + + _onDragStart: function () { + var map = this._map; + + map._stop(); + if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) { + var bounds = latLngBounds(this._map.options.maxBounds); + + this._offsetLimit = toBounds( + this._map.latLngToContainerPoint(bounds.getNorthWest()).multiplyBy(-1), + this._map.latLngToContainerPoint(bounds.getSouthEast()).multiplyBy(-1) + .add(this._map.getSize())); + + this._viscosity = Math.min(1.0, Math.max(0.0, this._map.options.maxBoundsViscosity)); + } else { + this._offsetLimit = null; + } + + map + .fire('movestart') + .fire('dragstart'); + + if (map.options.inertia) { + this._positions = []; + this._times = []; + } + }, + + _onDrag: function (e) { + if (this._map.options.inertia) { + var time = this._lastTime = +new Date(), + pos = this._lastPos = this._draggable._absPos || this._draggable._newPos; + + this._positions.push(pos); + this._times.push(time); + + this._prunePositions(time); + } + + this._map + .fire('move', e) + .fire('drag', e); + }, + + _prunePositions: function (time) { + while (this._positions.length > 1 && time - this._times[0] > 50) { + this._positions.shift(); + this._times.shift(); + } + }, + + _onZoomEnd: function () { + var pxCenter = this._map.getSize().divideBy(2), + pxWorldCenter = this._map.latLngToLayerPoint([0, 0]); + + this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x; + this._worldWidth = this._map.getPixelWorldBounds().getSize().x; + }, + + _viscousLimit: function (value, threshold) { + return value - (value - threshold) * this._viscosity; + }, + + _onPreDragLimit: function () { + if (!this._viscosity || !this._offsetLimit) { return; } + + var offset = this._draggable._newPos.subtract(this._draggable._startPos); + + var limit = this._offsetLimit; + if (offset.x < limit.min.x) { offset.x = this._viscousLimit(offset.x, limit.min.x); } + if (offset.y < limit.min.y) { offset.y = this._viscousLimit(offset.y, limit.min.y); } + if (offset.x > limit.max.x) { offset.x = this._viscousLimit(offset.x, limit.max.x); } + if (offset.y > limit.max.y) { offset.y = this._viscousLimit(offset.y, limit.max.y); } + + this._draggable._newPos = this._draggable._startPos.add(offset); + }, + + _onPreDragWrap: function () { + // TODO refactor to be able to adjust map pane position after zoom + var worldWidth = this._worldWidth, + halfWidth = Math.round(worldWidth / 2), + dx = this._initialWorldOffset, + x = this._draggable._newPos.x, + newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx, + newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx, + newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2; + + this._draggable._absPos = this._draggable._newPos.clone(); + this._draggable._newPos.x = newX; + }, + + _onDragEnd: function (e) { + var map = this._map, + options = map.options, + + noInertia = !options.inertia || this._times.length < 2; + + map.fire('dragend', e); + + if (noInertia) { + map.fire('moveend'); + + } else { + this._prunePositions(+new Date()); + + var direction = this._lastPos.subtract(this._positions[0]), + duration = (this._lastTime - this._times[0]) / 1000, + ease = options.easeLinearity, + + speedVector = direction.multiplyBy(ease / duration), + speed = speedVector.distanceTo([0, 0]), + + limitedSpeed = Math.min(options.inertiaMaxSpeed, speed), + limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed), + + decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease), + offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round(); + + if (!offset.x && !offset.y) { + map.fire('moveend'); + + } else { + offset = map._limitOffset(offset, map.options.maxBounds); + + Util.requestAnimFrame(function () { + map.panBy(offset, { + duration: decelerationDuration, + easeLinearity: ease, + noMoveStart: true, + animate: true + }); + }); + } + } + } +}); + +// @section Handlers +// @property dragging: Handler +// Map dragging handler (by both mouse and touch). +Map.addInitHook('addHandler', 'dragging', Drag); diff --git a/debian/missing-sources/leaflet.js/map/handler/Map.Keyboard.js b/debian/missing-sources/leaflet.js/map/handler/Map.Keyboard.js new file mode 100644 index 0000000..66d34e6 --- /dev/null +++ b/debian/missing-sources/leaflet.js/map/handler/Map.Keyboard.js @@ -0,0 +1,180 @@ +import {Map} from '../Map'; +import {Handler} from '../../core/Handler'; +import {on, off, stop} from '../../dom/DomEvent'; +import {toPoint} from '../../geometry/Point'; + + +/* + * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default. + */ + +// @namespace Map +// @section Keyboard Navigation Options +Map.mergeOptions({ + // @option keyboard: Boolean = true + // Makes the map focusable and allows users to navigate the map with keyboard + // arrows and `+`/`-` keys. + keyboard: true, + + // @option keyboardPanDelta: Number = 80 + // Amount of pixels to pan when pressing an arrow key. + keyboardPanDelta: 80 +}); + +export var Keyboard = Handler.extend({ + + keyCodes: { + left: [37], + right: [39], + down: [40], + up: [38], + zoomIn: [187, 107, 61, 171], + zoomOut: [189, 109, 54, 173] + }, + + initialize: function (map) { + this._map = map; + + this._setPanDelta(map.options.keyboardPanDelta); + this._setZoomDelta(map.options.zoomDelta); + }, + + addHooks: function () { + var container = this._map._container; + + // make the container focusable by tabbing + if (container.tabIndex <= 0) { + container.tabIndex = '0'; + } + + on(container, { + focus: this._onFocus, + blur: this._onBlur, + mousedown: this._onMouseDown + }, this); + + this._map.on({ + focus: this._addHooks, + blur: this._removeHooks + }, this); + }, + + removeHooks: function () { + this._removeHooks(); + + off(this._map._container, { + focus: this._onFocus, + blur: this._onBlur, + mousedown: this._onMouseDown + }, this); + + this._map.off({ + focus: this._addHooks, + blur: this._removeHooks + }, this); + }, + + _onMouseDown: function () { + if (this._focused) { return; } + + var body = document.body, + docEl = document.documentElement, + top = body.scrollTop || docEl.scrollTop, + left = body.scrollLeft || docEl.scrollLeft; + + this._map._container.focus(); + + window.scrollTo(left, top); + }, + + _onFocus: function () { + this._focused = true; + this._map.fire('focus'); + }, + + _onBlur: function () { + this._focused = false; + this._map.fire('blur'); + }, + + _setPanDelta: function (panDelta) { + var keys = this._panKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.left.length; i < len; i++) { + keys[codes.left[i]] = [-1 * panDelta, 0]; + } + for (i = 0, len = codes.right.length; i < len; i++) { + keys[codes.right[i]] = [panDelta, 0]; + } + for (i = 0, len = codes.down.length; i < len; i++) { + keys[codes.down[i]] = [0, panDelta]; + } + for (i = 0, len = codes.up.length; i < len; i++) { + keys[codes.up[i]] = [0, -1 * panDelta]; + } + }, + + _setZoomDelta: function (zoomDelta) { + var keys = this._zoomKeys = {}, + codes = this.keyCodes, + i, len; + + for (i = 0, len = codes.zoomIn.length; i < len; i++) { + keys[codes.zoomIn[i]] = zoomDelta; + } + for (i = 0, len = codes.zoomOut.length; i < len; i++) { + keys[codes.zoomOut[i]] = -zoomDelta; + } + }, + + _addHooks: function () { + on(document, 'keydown', this._onKeyDown, this); + }, + + _removeHooks: function () { + off(document, 'keydown', this._onKeyDown, this); + }, + + _onKeyDown: function (e) { + if (e.altKey || e.ctrlKey || e.metaKey) { return; } + + var key = e.keyCode, + map = this._map, + offset; + + if (key in this._panKeys) { + + if (map._panAnim && map._panAnim._inProgress) { return; } + + offset = this._panKeys[key]; + if (e.shiftKey) { + offset = toPoint(offset).multiplyBy(3); + } + + map.panBy(offset); + + if (map.options.maxBounds) { + map.panInsideBounds(map.options.maxBounds); + } + + } else if (key in this._zoomKeys) { + map.setZoom(map.getZoom() + (e.shiftKey ? 3 : 1) * this._zoomKeys[key]); + + } else if (key === 27 && map._popup && map._popup.options.closeOnEscapeKey) { + map.closePopup(); + + } else { + return; + } + + stop(e); + } +}); + +// @section Handlers +// @section Handlers +// @property keyboard: Handler +// Keyboard navigation handler. +Map.addInitHook('addHandler', 'keyboard', Keyboard); diff --git a/debian/missing-sources/leaflet.js/map/handler/Map.ScrollWheelZoom.js b/debian/missing-sources/leaflet.js/map/handler/Map.ScrollWheelZoom.js new file mode 100644 index 0000000..d61d33d --- /dev/null +++ b/debian/missing-sources/leaflet.js/map/handler/Map.ScrollWheelZoom.js @@ -0,0 +1,91 @@ +import {Map} from '../Map'; +import {Handler} from '../../core/Handler'; +import * as DomEvent from '../../dom/DomEvent'; +import * as Util from '../../core/Util'; + +/* + * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Mousewheel options + // @option scrollWheelZoom: Boolean|String = true + // Whether the map can be zoomed by using the mouse wheel. If passed `'center'`, + // it will zoom to the center of the view regardless of where the mouse was. + scrollWheelZoom: true, + + // @option wheelDebounceTime: Number = 40 + // Limits the rate at which a wheel can fire (in milliseconds). By default + // user can't zoom via wheel more often than once per 40 ms. + wheelDebounceTime: 40, + + // @option wheelPxPerZoomLevel: Number = 60 + // How many scroll pixels (as reported by [L.DomEvent.getWheelDelta](#domevent-getwheeldelta)) + // mean a change of one full zoom level. Smaller values will make wheel-zooming + // faster (and vice versa). + wheelPxPerZoomLevel: 60 +}); + +export var ScrollWheelZoom = Handler.extend({ + addHooks: function () { + DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this); + + this._delta = 0; + }, + + removeHooks: function () { + DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll, this); + }, + + _onWheelScroll: function (e) { + var delta = DomEvent.getWheelDelta(e); + + var debounce = this._map.options.wheelDebounceTime; + + this._delta += delta; + this._lastMousePos = this._map.mouseEventToContainerPoint(e); + + if (!this._startTime) { + this._startTime = +new Date(); + } + + var left = Math.max(debounce - (+new Date() - this._startTime), 0); + + clearTimeout(this._timer); + this._timer = setTimeout(Util.bind(this._performZoom, this), left); + + DomEvent.stop(e); + }, + + _performZoom: function () { + var map = this._map, + zoom = map.getZoom(), + snap = this._map.options.zoomSnap || 0; + + map._stop(); // stop panning and fly animations if any + + // map the delta with a sigmoid function to -4..4 range leaning on -1..1 + var d2 = this._delta / (this._map.options.wheelPxPerZoomLevel * 4), + d3 = 4 * Math.log(2 / (1 + Math.exp(-Math.abs(d2)))) / Math.LN2, + d4 = snap ? Math.ceil(d3 / snap) * snap : d3, + delta = map._limitZoom(zoom + (this._delta > 0 ? d4 : -d4)) - zoom; + + this._delta = 0; + this._startTime = null; + + if (!delta) { return; } + + if (map.options.scrollWheelZoom === 'center') { + map.setZoom(zoom + delta); + } else { + map.setZoomAround(this._lastMousePos, zoom + delta); + } + } +}); + +// @section Handlers +// @property scrollWheelZoom: Handler +// Scroll wheel zoom handler. +Map.addInitHook('addHandler', 'scrollWheelZoom', ScrollWheelZoom); diff --git a/debian/missing-sources/leaflet.js/map/handler/Map.Tap.js b/debian/missing-sources/leaflet.js/map/handler/Map.Tap.js new file mode 100644 index 0000000..9162637 --- /dev/null +++ b/debian/missing-sources/leaflet.js/map/handler/Map.Tap.js @@ -0,0 +1,136 @@ +import {Map} from '../Map'; +import {Handler} from '../../core/Handler'; +import * as DomEvent from '../../dom/DomEvent'; +import {Point} from '../../geometry/Point'; +import * as Util from '../../core/Util'; +import * as DomUtil from '../../dom/DomUtil'; +import * as Browser from '../../core/Browser'; + + +/* + * L.Map.Tap is used to enable mobile hacks like quick taps and long hold. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Touch interaction options + // @option tap: Boolean = true + // Enables mobile hacks for supporting instant taps (fixing 200ms click + // delay on iOS/Android) and touch holds (fired as `contextmenu` events). + tap: true, + + // @option tapTolerance: Number = 15 + // The max number of pixels a user can shift his finger during touch + // for it to be considered a valid tap. + tapTolerance: 15 +}); + +export var Tap = Handler.extend({ + addHooks: function () { + DomEvent.on(this._map._container, 'touchstart', this._onDown, this); + }, + + removeHooks: function () { + DomEvent.off(this._map._container, 'touchstart', this._onDown, this); + }, + + _onDown: function (e) { + if (!e.touches) { return; } + + DomEvent.preventDefault(e); + + this._fireClick = true; + + // don't simulate click or track longpress if more than 1 touch + if (e.touches.length > 1) { + this._fireClick = false; + clearTimeout(this._holdTimeout); + return; + } + + var first = e.touches[0], + el = first.target; + + this._startPos = this._newPos = new Point(first.clientX, first.clientY); + + // if touching a link, highlight it + if (el.tagName && el.tagName.toLowerCase() === 'a') { + DomUtil.addClass(el, 'leaflet-active'); + } + + // simulate long hold but setting a timeout + this._holdTimeout = setTimeout(Util.bind(function () { + if (this._isTapValid()) { + this._fireClick = false; + this._onUp(); + this._simulateEvent('contextmenu', first); + } + }, this), 1000); + + this._simulateEvent('mousedown', first); + + DomEvent.on(document, { + touchmove: this._onMove, + touchend: this._onUp + }, this); + }, + + _onUp: function (e) { + clearTimeout(this._holdTimeout); + + DomEvent.off(document, { + touchmove: this._onMove, + touchend: this._onUp + }, this); + + if (this._fireClick && e && e.changedTouches) { + + var first = e.changedTouches[0], + el = first.target; + + if (el && el.tagName && el.tagName.toLowerCase() === 'a') { + DomUtil.removeClass(el, 'leaflet-active'); + } + + this._simulateEvent('mouseup', first); + + // simulate click if the touch didn't move too much + if (this._isTapValid()) { + this._simulateEvent('click', first); + } + } + }, + + _isTapValid: function () { + return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance; + }, + + _onMove: function (e) { + var first = e.touches[0]; + this._newPos = new Point(first.clientX, first.clientY); + this._simulateEvent('mousemove', first); + }, + + _simulateEvent: function (type, e) { + var simulatedEvent = document.createEvent('MouseEvents'); + + simulatedEvent._simulated = true; + e.target._simulatedClick = true; + + simulatedEvent.initMouseEvent( + type, true, true, window, 1, + e.screenX, e.screenY, + e.clientX, e.clientY, + false, false, false, false, 0, null); + + e.target.dispatchEvent(simulatedEvent); + } +}); + +// @section Handlers +// @property tap: Handler +// Mobile touch hacks (quick tap and touch hold) handler. +if (Browser.touch && !Browser.pointer) { + Map.addInitHook('addHandler', 'tap', Tap); +} diff --git a/debian/missing-sources/leaflet.js/map/handler/Map.TouchZoom.js b/debian/missing-sources/leaflet.js/map/handler/Map.TouchZoom.js new file mode 100644 index 0000000..5daa0ba --- /dev/null +++ b/debian/missing-sources/leaflet.js/map/handler/Map.TouchZoom.js @@ -0,0 +1,130 @@ +import {Map} from '../Map'; +import {Handler} from '../../core/Handler'; +import * as DomEvent from '../../dom/DomEvent'; +import * as Util from '../../core/Util'; +import * as DomUtil from '../../dom/DomUtil'; +import * as Browser from '../../core/Browser'; + +/* + * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers. + */ + +// @namespace Map +// @section Interaction Options +Map.mergeOptions({ + // @section Touch interaction options + // @option touchZoom: Boolean|String = * + // Whether the map can be zoomed by touch-dragging with two fingers. If + // passed `'center'`, it will zoom to the center of the view regardless of + // where the touch events (fingers) were. Enabled for touch-capable web + // browsers except for old Androids. + touchZoom: Browser.touch && !Browser.android23, + + // @option bounceAtZoomLimits: Boolean = true + // Set it to false if you don't want the map to zoom beyond min/max zoom + // and then bounce back when pinch-zooming. + bounceAtZoomLimits: true +}); + +export var TouchZoom = Handler.extend({ + addHooks: function () { + DomUtil.addClass(this._map._container, 'leaflet-touch-zoom'); + DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + removeHooks: function () { + DomUtil.removeClass(this._map._container, 'leaflet-touch-zoom'); + DomEvent.off(this._map._container, 'touchstart', this._onTouchStart, this); + }, + + _onTouchStart: function (e) { + var map = this._map; + if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; } + + var p1 = map.mouseEventToContainerPoint(e.touches[0]), + p2 = map.mouseEventToContainerPoint(e.touches[1]); + + this._centerPoint = map.getSize()._divideBy(2); + this._startLatLng = map.containerPointToLatLng(this._centerPoint); + if (map.options.touchZoom !== 'center') { + this._pinchStartLatLng = map.containerPointToLatLng(p1.add(p2)._divideBy(2)); + } + + this._startDist = p1.distanceTo(p2); + this._startZoom = map.getZoom(); + + this._moved = false; + this._zooming = true; + + map._stop(); + + DomEvent.on(document, 'touchmove', this._onTouchMove, this); + DomEvent.on(document, 'touchend', this._onTouchEnd, this); + + DomEvent.preventDefault(e); + }, + + _onTouchMove: function (e) { + if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; } + + var map = this._map, + p1 = map.mouseEventToContainerPoint(e.touches[0]), + p2 = map.mouseEventToContainerPoint(e.touches[1]), + scale = p1.distanceTo(p2) / this._startDist; + + this._zoom = map.getScaleZoom(scale, this._startZoom); + + if (!map.options.bounceAtZoomLimits && ( + (this._zoom < map.getMinZoom() && scale < 1) || + (this._zoom > map.getMaxZoom() && scale > 1))) { + this._zoom = map._limitZoom(this._zoom); + } + + if (map.options.touchZoom === 'center') { + this._center = this._startLatLng; + if (scale === 1) { return; } + } else { + // Get delta from pinch to center, so centerLatLng is delta applied to initial pinchLatLng + var delta = p1._add(p2)._divideBy(2)._subtract(this._centerPoint); + if (scale === 1 && delta.x === 0 && delta.y === 0) { return; } + this._center = map.unproject(map.project(this._pinchStartLatLng, this._zoom).subtract(delta), this._zoom); + } + + if (!this._moved) { + map._moveStart(true, false); + this._moved = true; + } + + Util.cancelAnimFrame(this._animRequest); + + var moveFn = Util.bind(map._move, map, this._center, this._zoom, {pinch: true, round: false}); + this._animRequest = Util.requestAnimFrame(moveFn, this, true); + + DomEvent.preventDefault(e); + }, + + _onTouchEnd: function () { + if (!this._moved || !this._zooming) { + this._zooming = false; + return; + } + + this._zooming = false; + Util.cancelAnimFrame(this._animRequest); + + DomEvent.off(document, 'touchmove', this._onTouchMove); + DomEvent.off(document, 'touchend', this._onTouchEnd); + + // Pinch updates GridLayers' levels only when zoomSnap is off, so zoomSnap becomes noUpdate. + if (this._map.options.zoomAnimation) { + this._map._animateZoom(this._center, this._map._limitZoom(this._zoom), true, this._map.options.zoomSnap); + } else { + this._map._resetView(this._center, this._map._limitZoom(this._zoom)); + } + } +}); + +// @section Handlers +// @property touchZoom: Handler +// Touch zoom handler. +Map.addInitHook('addHandler', 'touchZoom', TouchZoom); |